<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Feed_Writer
 * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: Atom.php 23775 2011-03-01 17:25:24Z ralph $
 */

/** @see Zend_Feed_Writer_Feed */
require_once 'Zend/Feed/Writer/Feed.php';

/** @see Zend_Version */
require_once 'Zend/Version.php';

/** @see Zend_Feed_Writer_Renderer_RendererInterface */
require_once 'Zend/Feed/Writer/Renderer/RendererInterface.php';

/** @see Zend_Feed_Writer_Renderer_Entry_Atom */
require_once 'Zend/Feed/Writer/Renderer/Entry/Atom.php';

/** @see Zend_Feed_Writer_Renderer_Entry_Atom_Deleted */
require_once 'Zend/Feed/Writer/Renderer/Entry/Atom/Deleted.php';

/** @see Zend_Feed_Writer_Renderer_RendererAbstract */
require_once 'Zend/Feed/Writer/Renderer/RendererAbstract.php';

require_once 'Zend/Feed/Writer/Renderer/Feed/Atom/AtomAbstract.php';

/**
 * @category   Zend
 * @package    Zend_Feed_Writer
 * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Feed_Writer_Renderer_Feed_Atom extends Zend_Feed_Writer_Renderer_Feed_Atom_AtomAbstract implements Zend_Feed_Writer_Renderer_RendererInterface {
	/**
	 * Constructor
	 *
	 * @param  Zend_Feed_Writer_Feed $container
	 * @return void
	 */
	public function __construct(Zend_Feed_Writer_Feed $container) {
		parent::__construct ( $container );
	}
	
	/**
	 * Render Atom feed
	 *
	 * @return Zend_Feed_Writer_Renderer_Feed_Atom
	 */
	public function render() {
		if (! $this->_container->getEncoding ()) {
			$this->_container->setEncoding ( 'UTF-8' );
		}
		$this->_dom = new DOMDocument ( '1.0', $this->_container->getEncoding () );
		$this->_dom->formatOutput = true;
		$root = $this->_dom->createElementNS ( Zend_Feed_Writer::NAMESPACE_ATOM_10, 'feed' );
		$this->setRootElement ( $root );
		$this->_dom->appendChild ( $root );
		$this->_setLanguage ( $this->_dom, $root );
		$this->_setBaseUrl ( $this->_dom, $root );
		$this->_setTitle ( $this->_dom, $root );
		$this->_setDescription ( $this->_dom, $root );
		$this->_setImage ( $this->_dom, $root );
		$this->_setIcon ( $this->_dom, $root );
		$this->_setDateCreated ( $this->_dom, $root );
		$this->_setDateModified ( $this->_dom, $root );
		$this->_setGenerator ( $this->_dom, $root );
		$this->_setLink ( $this->_dom, $root );
		$this->_setFeedLinks ( $this->_dom, $root );
		$this->_setId ( $this->_dom, $root );
		$this->_setAuthors ( $this->_dom, $root );
		$this->_setCopyright ( $this->_dom, $root );
		$this->_setCategories ( $this->_dom, $root );
		$this->_setHubs ( $this->_dom, $root );
		
		foreach ( $this->_extensions as $ext ) {
			$ext->setType ( $this->getType () );
			$ext->setRootElement ( $this->getRootElement () );
			$ext->setDomDocument ( $this->getDomDocument (), $root );
			$ext->render ();
		}
		
		foreach ( $this->_container as $entry ) {
			if ($this->getDataContainer ()->getEncoding ()) {
				$entry->setEncoding ( $this->getDataContainer ()->getEncoding () );
			}
			if ($entry instanceof Zend_Feed_Writer_Entry) {
				$renderer = new Zend_Feed_Writer_Renderer_Entry_Atom ( $entry );
			} else {
				if (! $this->_dom->documentElement->hasAttribute ( 'xmlns:at' )) {
					$this->_dom->documentElement->setAttribute ( 'xmlns:at', 'http://purl.org/atompub/tombstones/1.0' );
				}
				$renderer = new Zend_Feed_Writer_Renderer_Entry_Atom_Deleted ( $entry );
			}
			if ($this->_ignoreExceptions === true) {
				$renderer->ignoreExceptions ();
			}
			$renderer->setType ( $this->getType () );
			$renderer->setRootElement ( $this->_dom->documentElement );
			$renderer->render ();
			$element = $renderer->getElement ();
			$imported = $this->_dom->importNode ( $element, true );
			$root->appendChild ( $imported );
		}
		return $this;
	}

}
